<template> 
  <div class="app-container">
    <el-dialog :visible.sync="applyDetailVisible" @close="closeApplyDetail">
      <ApplyDetail :id="currentApplyId"></ApplyDetail>
    </el-dialog>
    <el-card class="filter-container" shadow="never">
      <div>
        <i class="el-icon-search"></i>
        <span>筛选搜索</span>
      </div>
      <div style="margin-top: 15px">
        <el-form :inline="true" :model="listQuery" size="small" label-width="140px">
          <el-form-item label="输入搜索：">
            <el-input v-model="listQuery.id" class="input-width" placeholder="服务单号"></el-input>
          </el-form-item>
          <el-form-item label="处理状态：">
            <el-select v-model="listQuery.status" placeholder="全部" clearable class="input-width">
              <el-option v-for="item in statusOptions"
                         :key="item.value"
                         :label="item.label"
                         :value="item.value">
              </el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="申请时间：">
            <el-date-picker
                class="input-width"
                v-model="listQuery.createTime"
                value-format="yyyy-MM-dd"
                type="date"
                placeholder="请选择时间">
            </el-date-picker>
          </el-form-item>
          <el-form-item label="操作人员：">
            <el-input v-model="listQuery.handleMan" class="input-width" placeholder="全部"></el-input>
          </el-form-item>
          <el-form-item label="处理时间：">
            <el-date-picker
                class="input-width"
                v-model="listQuery.handleTime"
                value-format="yyyy-MM-dd"
                type="date"
                placeholder="请选择时间">
            </el-date-picker>
          </el-form-item>
          <el-form-item>
            <el-button
                style="float:right"
                type="primary"
                @click="handleSearchList()"
                size="small">
              搜索
            </el-button>
            <el-button
                style="float:right;margin-right: 15px"
                type="warning"
                @click="handleResetSearch()"
                size="small">
              重置
            </el-button>
          </el-form-item>
        </el-form>
      </div>
    </el-card>
    <el-card class="operate-container" shadow="never">
      <i class="el-icon-tickets"></i>
      <span>退货申请列表</span>
      <div class="batch-operate-container" style="margin-top: 20px; margin-bottom: 20px">
        <el-select
            size="small"
            v-model="operateType" placeholder="批量操作">
          <el-option
              v-for="item in operateOptions"
              :key="item.value"
              :label="item.label"
              :value="item.value">
          </el-option>
        </el-select>
        <el-button
            style="margin-left: 20px"
            class="search-button"
            @click="handleBatchOperate()"
            type="primary"
            size="small">
          确定
        </el-button>
      </div>

      <div class="table-container">
        <el-table ref="returnApplyTable"
                  :data="list"
                  style="width: 100%;"
                  @selection-change="handleSelectionChange"
                  v-loading="listLoading" border>
          <el-table-column type="selection" width="60" align="center"></el-table-column>
          <el-table-column label="服务单号" width="180" align="center">
            <template slot-scope="scope">{{ scope.row.id }}</template>
          </el-table-column>
          <el-table-column label="申请时间" width="180" align="center">
            <template slot-scope="scope">{{ scope.row.createTime | formatTime }}</template>
          </el-table-column>
          <el-table-column label="用户账号" align="center">
            <template slot-scope="scope">{{ scope.row.memberUsername }}</template>
          </el-table-column>
          <el-table-column label="退款金额" width="180" align="center">
            <template slot-scope="scope">￥{{ scope.row | formatReturnAmount }}</template>
          </el-table-column>
          <el-table-column label="申请状态" width="180" align="center">
            <template slot-scope="scope">{{ scope.row.status | formatStatus }}</template>
          </el-table-column>
          <el-table-column label="处理时间" width="180" align="center">
            <template slot-scope="scope">{{ scope.row.handleTime | formatTime }}</template>
          </el-table-column>
          <el-table-column label="操作" width="180" align="center">
            <template slot-scope="scope">
              <el-button
                  size="mini"
                  type="success"
                  @click="handleViewDetail(scope.$index, scope.row)">查看
                <i class="el-icon-search"></i>
              </el-button>
            </template>
          </el-table-column>
        </el-table>
      </div>
    </el-card>

    <div class="pagination-container">
      <el-pagination
          background
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          layout="total, sizes,prev, pager, next,jumper"
          :current-page.sync="listQuery.pageNum"
          :page-size="listQuery.pageSize"
          :page-sizes="[5,10,15]"
          :total="total">
      </el-pagination>
    </div>
  </div>
</template>

<script>
import {formatDate} from '@/utils/date';
import {deleteApply, fetchList} from '@/api/returnApply';
import ApplyDetail from "@/views/order/ApplyDetail.vue";

const defaultListQuery = {
  pageNum: 1,
  pageSize: 10,
  id: null,
  receiverKeyword: null,
  status: null,
  createTime: null,
  handleMan: null,
  handleTime: null
};
const defaultStatusOptions = [
  {
    label: '待处理',
    value: 0
  },
  {
    label: '退货中',
    value: 1
  },
  {
    label: '已完成',
    value: 2
  },
  {
    label: '已拒绝',
    value: 3
  }
];
export default {
  name: 'returnApplyList',
  components: {
    ApplyDetail
  },
  data() {
    return {
      listQuery: Object.assign({}, defaultListQuery),
      statusOptions: Object.assign({}, defaultStatusOptions),
      applyDetailVisible: false,
      list: null,
      total: null,
      listLoading: false,
      multipleSelection: [],
      operateType: 1,
      operateOptions: [
        {
          label: "批量删除",
          value: 1
        }
      ],
      currentApplyId: null,
    }
  },
  created() {
    this.getList();
  },
  filters: {
    formatTime(time) {
      if (time == null || time === '') {
        return 'N/A';
      }
      let date = new Date(time);
      return formatDate(date, 'yyyy-MM-dd hh:mm:ss')
    },
    formatStatus(status) {
      for (let i = 0; i < defaultStatusOptions.length; i++) {
        if (status === defaultStatusOptions[i].value) {
          return defaultStatusOptions[i].label;
        }
      }
    },
    formatReturnAmount(row) {
      return row.productRealPrice * row.productCount;
    }
  },
  methods: {
    handleSelectionChange(val) {
      this.multipleSelection = val;
    },
    handleResetSearch() {
      this.listQuery = Object.assign({}, defaultListQuery);
    },
    handleSearchList() {
      this.listQuery.pageNum = 1;
      this.getList();
    },
    handleViewDetail(index, row) {
      this.currentApplyId = row.id;
      this.applyDetailVisible = true;
    },
    handleBatchOperate() {
      if (this.multipleSelection == null || this.multipleSelection.length < 1) {
        this.$message({
          message: '请选择要操作的申请',
          type: 'warning',
          duration: 1000
        });
        return;
      }
      if (this.operateType === 1) {
        //批量删除
        this.$confirm('是否要进行删除操作?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          let params = new URLSearchParams();
          let ids = [];
          for (let i = 0; i < this.multipleSelection.length; i++) {
            ids.push(this.multipleSelection[i].id);
          }
          params.append("ids", ids);
          deleteApply(params).then(response => {
            this.getList();
            this.$message({
              type: 'success',
              message: '删除成功!'
            });
          });
        })
      }
    },
    handleSizeChange(val) {
      this.listQuery.pageNum = 1;
      this.listQuery.pageSize = val;
      this.getList();
    },
    handleCurrentChange(val) {
      this.listQuery.pageNum = val;
      this.getList();
    },
    getList() {
      this.listLoading = true;
      fetchList(this.listQuery).then(response => {
        this.listLoading = false;
        this.list = response.data.list;
        this.total = response.data.total;
      });
    },
    closeApplyDetail() {
      this.applyDetailVisible = false;
    }
  }
}
</script>
<style scoped>
.input-width {
  width: 203px;
}
</style>


